Grate-bar



CORNELIUS KINGSLAND, OF ALLEGHENY CITY, PENNSYLVANIA.

GRATE-BAR.

Specification of Letters Patent No. 6,799, dated October 16, 1849.

To all whom t may concern:

Be it known that I, CORNELIUS KINGS- LAND, of the city and county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Furnace Grate-Bars, which Bars are Applicable t-o the Furnaces of Steamboats, &c.; and I do hereby declare that the following is a'full and exact description of the said improvement.

Vhat I claim as new and my invention, and desire to secure by Letters Patent, iS-

l. Making the center of the lower face or under side of the bar with the same swell o-r elevation, as the upper or4 top face, as shown ata, a, in the accompanying drawing; Z), b, b, b, being the bars and c, c, c, 0, c, c, the spaces; the bars connected at d, d, (l, c; e, e, e, e being the shoulder or rabbet to support the bar when in its place in the furnace, and f, f, f, f, being projections to meet similar project-ions on the adjoining bars to keep them at the proper distance apart.

thereby considerable saving in the expenseI of furnace bars.

3. I do not mean t-o be understood as limiting myself to any particular number of bars in each series, but to make one, two, three, or any other number of bars, in each series, as may be required, substantially as above described; for the purposes therein set forth. n

C. KINGSLAND. Attest: f

E. R. VVrLsoN, THOMAS FARLEY. 

